20606305284776 has 16 divisors (see below), whose sum is σ = 38638444867200. Its totient is φ = 10302719986864.

The previous prime is 20606305284757. The next prime is 20606305284781. The reversal of 20606305284776 is 67748250360602.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53879480 + ... + 54260583.

It is an arithmetic number, because the mean of its divisors is an integer number (2414902804200).

Almost surely, 2^{20606305284776} is an apocalyptic number.

It is an amenable number.

20606305284776 is a deficient number, since it is larger than the sum of its proper divisors (18032139582424).

20606305284776 is a wasteful number, since it uses less digits than its factorization.

20606305284776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108163888 (or 108163884 counting only the distinct ones).

The product of its (nonzero) digits is 20321280, while the sum is 56.

The spelling of 20606305284776 in words is "twenty trillion, six hundred six billion, three hundred five million, two hundred eighty-four thousand, seven hundred seventy-six".